Home / 1,187,007.98-1,782,290.73-1,027,575.68

Finding the Fourth Proportional to 1,187,007.98, 1,782,290.73 and 1,027,575.68

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Solution

The fourth proportional to 1,187,007.98, 1,782,290.73 and 1,027,575.68 is: 1,542,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,007.98 : 1,782,290.73 = 1,027,575.68 : x
  2. Step 2: Convert to fraction form
    1,187,007.98/1,782,290.73 = 1,027,575.68/x
  3. Step 3: Cross multiply
    1,187,007.98x = 1,782,290.73 × 1,027,575.68
  4. Step 4: Simplify right side
    1,187,007.98x = 1,831,438,608,837.45
  5. Step 5: Solve for x
    x = 1,831,438,608,837.45/1,187,007.98
  6. Step 6: Final answer
    x = 1,542,903.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.